# class Animal:
#     name = 'animal'
#     def shout(self):
#         print('animal shout')
#
# animal = Animal()
# print(animal.name)
# animal.shout()

class Dog:
    name = 'dog'
    def eat(self):
        print('dog eat')

dog = Dog()
print(dog.name)
dog.eat()

def __init__(self):
    self.age = 10

def eat(self):
    print('dog eat')



dog1 = Dog()
print(dog1.name)
print(Dog.name)

dog1.name = 'dog111111111111'
print(dog1.name)
print(Dog.name)

Dog.name = 'dog2222222'
print(dog1.name)
print(Dog.name)
print('-----------------------------------------------')
dog2 = Dog()
print(dog2.name)
#只有类可以更改属性，实例不能
